Question 21
Match the items.
epinephrine
norepinephrine
outer brain covering
middle brain covering
cerebrum
[Choose ]
[Choose ]
[Choose ]
[Choose]
[Choose ]
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Answer:

Explanation:

Based on their arrangement, bacteria are classified into four groups: monotrichous (having one flagellum), amphitrichous (single flagellum at both ends), lophotrichous (numerous flagella as a tuft), and peritrichous (flagella distributed all over the cell except at the poles).

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Answer:

Option B.

Explanation:

Decreasing vehicle traffic and industrial emissions.

The genetic code is called non-overlapping because adjacent codons can not overlap, whereas in this case, the code is overlapping.

The genetic code does not overlap because the same nucleotide in the sequence cannot be used to encode two different codons.

In genetics, overlapping refers to a feature of the genetic code associated with how this nucleotide code is read.

In conclusion, the genetic code in this case is overlapping.

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In a muscle cell, myofibrils contain what is referred to as sarcomeres.

These are protein filaments which are responsible for contraction and relaxation in muscle cells.

They contain structures known as sarcomeres which are linked in series hence the reason why it is the most appropriate choice.

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D. The measure of how stretched out an ellipse is, is referred to as eccentricity.

Eccentricity for an ellipse is the ratio of the length of the semimajor axis (a) to the distance (c )between the ellipse's center and each focus.

e = c/a

The greatest ellipse has the smallest eccentricity, whereas the perfect circle has the maximum eccentricity. The eccentricity of an ellipse e, which ranges from 0 (the limiting case of a circle) to 1 (the length of the ellipse), is used to determine how long it is (the limiting case of infinite elongation, no longer an ellipse but a parabola). Because the distance from the fixed point on the plane has a constant ratio that is less than the distance from the fixed line on the plane, the eccentricity of an ellipse ranges from 0 to 1.

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Answer:

A) 50%

Explanation:

Boxes 2 and 3 are heterozygous because solving the punnet square results in those boxes being Tt

The purpose of a carbon tax is to remember the true cost of burning carbon. Those costs are paid by those who suffer from the effects, such as homeowners, farmers, and ultimately the government.

Carbon taxes make sure businesses and consumers pay for the external charges they inflict on society.

Under a carbon tax, the government sets a price that emitters must pay for each ton of conservatory gas emissions they emit.

Companies and consumers will take steps, such as switching fuels or adopting new technologies, to lower their emissions to avoid paying the tax.

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Answer:

it is not clear visible to answer it

These changes best illustrate the process of plants.

The kingdom Plantae contains eukaryotes that are mostly photosynthetic. Algae and fungi were once included in the plant kingdom, which historically included all other living creatures save animals. However, prokaryotes, fungi, and some types of algae are not included in any modern definitions of the Plantae.

Plants are essential to the ecology because they help with the nitrogen cycle, prevent soil erosion, and participate in the water cycle. Although they also create oxygen, plants are a significant source of food. For humans to exist, it is essential that plants flourish.

One of the simplest methods to enhance the environment and enhance your surroundings is to plant a tree. Plants help to prevent soil erosion by filtering contaminants, absorbing carbon dioxide, and releasing oxygen. It will also assist to lessen your carbon footprint if you plant a few trees.

hence, The farmer ceased preserving the land because plants grew over time.

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dose-response curve. A steep dose-response curve is indicative of a chemical that is rapidly and extensively absorbed and slowly detoxified: therefore, the chemical is more toxic.

Answer:

B

Explanation:

in order to explore and to discover you will need to observe how things work. for instance, watching an apple fall from a tree is an observation that proves an external force (gravity) which causes the apple to fall downward.

If the gamete were diploid like somatic cell, zygotes would contain twice  of diploid number of chromosomes.

A zygote is a type of eukaryotic cell created when two gametes fertilize one another.

An organism's reproductive cells are called gametes.

They are additionally known as sex cells.

Male gametes are referred to as sperm, whereas female gametes are known as ova or egg cells.

During fertilization both male and female gametes are fused to form zygote. chromosome of both gametes are fused in zygote.

If gametes have diploid number of chromosome then zygote would have twice of diploid number of chromosomes that is chromosome number of two gametes.

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Answer:

cell type diversity refers to range of different cells types that comprise a tissue organisms cell type diversity during the diploma of the nervous system as a result of act of the cell instructing and extractic factors controlling sulphate determination hope the answer will be helpful for

Answer:

base pairing property

Explanation:

every dna/rna base, a c g t and u, has only one possible pairing partner, so if the strand is open on one side (single strand), the opposite side can be inferred because only one sequence will match the existing strand's base sequence. the property is usually called base pairing property

Answer:

... removing fruit in the environment?

Explanation:

So, generally when talking about birds with different beaks, you're talking about Darwin's theory of evolution. Now, in his experiment, he observed what happened when different food sources were added or removed, and the result was evolution. The answer of the question would most likely be evolution, because of "survival of the fittest", but the question you are answering is most likely "What is the effect of removing fruit in the environment?"

Formation of island chains occurs when convergent boundaries interact and is denoted as option A.

This refers to an area where two or more lithospheric plates collide in the earth.

When the y interact, island chains are formed which consists of sea with sparse islands around the area.

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Answer: A

Explanation: E2022

Cell division is the process by which a parent cell divides into daughter cells.

Cell division is important as it helps in the production of identical copies of cell. It also helps in repairing the damaged tissues or cells that are worn out.

The difference between mitosis and meiosis is that mitosis results in two identical daughter cells while meiosis results in four se-x cells.

Mitosis creates diploid daughter cells while meiosis creates haploid daughter cells.

Lastly, the four main phases of cell division include prophase, prometaphase, metaphase, anaphase, and telophase.

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Question:

1. Give two main reasons why cell division is important.

2. What is the difference between mitosis and meiosis.

3. List the four main phases of cell division during mitosis.

Planktons are organisms which are known for their small structure and inability to swim against water current.

These are organisms in water which are divided into two known as:

They are usually non motile hence the reason why they are easily carried by ocean tide and current.

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Answer:

C.

Explanation:

tRNA transfers the amino acids to the ribosome, where protein synthesis occurs. In addition, the "t" in tRNA stands for transfer. Hope this helps

Biography is the study of life and living organisms.

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The persuasive message based on the following scenario is that we want to encourage everyone to regularly check the freshly redesigned office website for advice and information on how to quit smoking and on enhancing your health and the health of those around you. All comments on the website are appreciated, and we hope you find the information to be interesting and informative.

Persuasive message: A compelling message is the main idea that engages, educates, persuades, or motivates. Discussions of persuasive communications frequently contrast reason with passion.

Every communication contains components of ethos, or authority; pathos, or enthusiasm and passion; and logos, or reason and logic.

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The concentration of salt inside the cell was lower than the concentration of salt in the salt water, since the cell got much smaller in size due to water outward movement.

Osmosis is the movement of water molecules through a semi-permeable membrane from regions of low solute concentration to regions of high solute concentration.

If salt concentration is higher inside the cell than outside, water will move into the cells. However, if the salt concentration outside the cell is higher, water will move out of the cells.

The cell became smaller, indicating that water moved out of the cell.

Thus, the salt concentration in the cell was lower inside the cell.

In conclusion, water moved out of the cell by osmosis.

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Answer: Spring and autum

Explanation: got it right on my test

Genotypic ratio = 50% WW, 50% GW

Phenotypic ratios = 50% white, 50% appaloosa

White horse genotype = WW

Appaloosa genotype = GW

                     WW    x    GW

                 GW   WW   GW   WW

Genotype ratio = 50% WW, 50% GW

Phenotype ratio = 50% white, 50% appaloosa

See the attached image for the Punnet's square.

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Answer: Newton developed a mathematical formulation of gravity that explained both the motion of a falling apple and that of the planets. He showed that the gravitational force between any two objects is proportional to the product of their masses and inversely proportional to the square of the distance between them.

Explanation:

Answer: laws of motion, gravity

Explanation:

They were the only theories that were his.

Sir Isaac Newton, an English mathematician and physicist, developed three laws of motion that helped explain why the planets move the way they do. He also developed the first widely accepted theory of gravity, which also explained why objects in the solar system move the way that they do.

The muscle is highlighted below is Obliques.

The oblique muscles are those located on the sides of the abdomen. They are divided into: external oblique muscle, internal oblique muscle and transverse muscle. The external muscle is the largest and most superficial of the three. It lies under the skin of the thoracic and abdominal regions.

Its direct action is flexion, lateral bending and contralateral trunk rotation. The internal oblique muscle is located deep to the external oblique and originates from the inguinal ligament, iliac crest, and thoracolumbar fascia.

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As you can see from the diagram below, the human nervous system is divided into two main components, the peripheral nervous system and the central nervous system.

The peripheral nervous system is further divided into two components. The somatic nervous system involves the voluntary movement of skeletal muscle. When you decide to raise your cup of coffee to your mouth, that is the somatic nervous system at work activating the appropriate muscles. The second component of the PNS is the autonomic nervous system, which controls processes that are out of our conscious control.

The autonomic nervous system is further subdivided into the parasympathetic nervous system and the sympathetic nervous system (which you are interested in). In very generalized terms, they have antagonistic effects on each other. The sympathetic nervous system generally activates the body, whereas the parasympathetic nervous system primarily acts to relax the body. This is a simplified view of things, but it is useful to think of it in this way.

The sympathetic division of the autonomic nervous system increases heart rate, inhibits digestion, relaxes bronchi in the the lungs to allow more airflow, causes the release of glucose from the liver, and relaxes the bladder. All of this activates the body, prepares it for a "fight".

In contrast, the parasympathetic division reduces heart rate, constricts bronchi in the lungs, and increases blood flow to the digestive tract. It has been called the "rest and digest" system.

As you can see from the diagram, the nerves of the parasympathetic nervous system come directly from the brainstem and spinal cord. However, with the sympathetic nervous system, there are "ganglia" (groups of cell bodies) outside the spinal cord itself.

Interestingly, the parasympathetic nervous system only uses Acetylcholine (ACh) to exert its effects on organs, but the sympathetic nervous system uses both ACh and norepinephrine (NE) to activate the body.

Its important to remember that the sympathetic and parasympathetic nervous systems are autonomic, meaning we generally have little control over them.